CBIC has clarified that IGST credit can be used for payment of all taxes. CGST credit can be used only for paying CGST or IGST. SGST credit can be used only for paying SGST or IGST.
The credit would be permitted to be utilized in the following manner:
a) ITC of CGST allowed for payment of CGST & IGST in that order;
b) ITC of SGST allowed for payment of SGST & IGST in that order;
c) ITC of UTGST allowed for payment of UTGST & IGST in that order;
d) ITC of IGST allowed for payment of IGST, CGST & SGST/UTGST in that order.
ITC of CGST cannot be used for payment of SGST/UTGST and vice versa. It has been further provided that IGST balances shall be exhausted for payment of IGST, CGST or SGST, as the case may be, before utilization of CGST or SGST.